_Henry Borwin II MECKLENBURG _+
                                                     | (1170 - 1226)                
                            _Nicholas I MECKLENBURG _|
                           | (1210 - 1277) m 1232    |
                           |                         |_Christina of SVERKER ________+
                           |                           (.... - 1248)                
 _John I MECKLENBURG ______|
| (1245 - 1283)            |
|                          |                          _Henry I ASCANIA _____________+
|                          |                         | (1170 - 1252)                
|                          |_Judith of ASCANIA ______|
|                            (.... - 1277) m 1232    |
|                                                    |_Irmgard of LUDOVING _________+
|                                                      (1197 - 1244)                
|
|--John II MECKLENBURG 
|  (1250 - 1337)
|                                                     ______________________________
|                                                    |                              
|                           _________________________|
|                          |                         |
|                          |                         |______________________________
|                          |                                                        
|_Sophia of LINDOW-RUPPIN _|
                           |
                           |                          ______________________________
                           |                         |                              
                           |_________________________|
                                                     |
                                                     |______________________________